tests

Bump Ruff to 0.8.0 #5919

Job	Run time
test_cygwin (39, windows-latest)	22m 9s
test (3.9, ubuntu-latest)	40s
collateral (diffcov)	5m 42s
test (3.9, macos-latest)	24s
collateral (docs)	1m 52s
test (3.9, windows-latest)	34s
test (3.13, ubuntu-latest)	41s
test (3.13, macos-latest)	42s
test (3.13, windows-latest)	26s
test (3.10, ubuntu-latest)	42s
test (3.11, ubuntu-latest)	41s
test (3.12, ubuntu-latest)	41s
test (3.14, ubuntu-latest)	40s
test (pypy3.10, ubuntu-latest, stdlib)	40s
test (ubuntu-latest, 3.10, stdlib)	39s
integration-test	0s
check	2s
release	0s
	37m 15s

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